mathjs

Getting the touched position in local coordinates of a transformed element

て烟熏妆下的殇ゞ 提交于 2019-12-29 04:54:42
问题 I have an element which has been transformed with a matrix3d to give it perspective. It represents the screen of a handheld device. There's a background image showing the handheld device itself, and this is not transformed. The element which holds this is positioned, and the screen element is positioned absolutely within it, at left: 0; top: 0; , and then transformed, with an origin in the top-left of the container. This was the easiest way for me to line it up perfectly with the background

Import dependencies in ember-cli (e.g., import math.js)

非 Y 不嫁゛ 提交于 2019-12-08 15:47:05
问题 I am puzzled about importing dependencies in ember-cli, especially about the standard AMD case, as mentioned in the official Ember Cli document. The document doesn't provide much of examples, and seems to me it assumes the readers have good knowledge about AMD, which is not the case for me. My immediate use case is import math.js. Unfortunately, the official document of math.js doesn't provide example about importing with Ember Cli. Then, I found this post with relatively clearer examples, in